Home / 8,989.92-13,491.36-5,093.28

Finding the Fourth Proportional to 8,989.92, 13,491.36 and 5,093.28

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Solution

The fourth proportional to 8,989.92, 13,491.36 and 5,093.28 is: 7,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.92 : 13,491.36 = 5,093.28 : x
  2. Step 2: Convert to fraction form
    8,989.92/13,491.36 = 5,093.28/x
  3. Step 3: Cross multiply
    8,989.92x = 13,491.36 × 5,093.28
  4. Step 4: Simplify right side
    8,989.92x = 68,715,274.06
  5. Step 5: Solve for x
    x = 68,715,274.06/8,989.92
  6. Step 6: Final answer
    x = 7,643.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.